查询词典 polymer

It was discovered that the lower polymer concentration, appropriate nonsolvent content, small molecular weight PVP additive and litter longer dry journey were propitious to obtain the porosity and high flux separation membrane.

聚合物浓度低、添加适量的非溶剂、以小分子量PVP为添加剂及干程稍长都将有助于得到多孔性、高通量的分离膜。

Preparation of low density poly (4 methyl 1 pentene) foam is described.The thermal analysis method is utilized to measure on line the gelation of pmp polymer in the binary solvent (durene/naphthalene) or nonsolvent system.

在聚-4-甲基-1-戊烯pmp）低密度泡沫的制备中，利用示差扫描量热分析仪对pmp聚合物在均四甲苯/萘所组成的溶剂/非溶剂二元体系中的凝胶化过程进行在线测量。

The system at higher temperature becomes thermodynamically more stable, and raises the diffusion exchange rate of solvent and nonsolvent at the interface according to the diffusion kinetics. For the PANCMA/DMSO/ system, with the addition of DMSO to nonsolvent, the cloud point curves shifts to the polymer-nonsolvent axis, and the homogeneous phase region is broadened, system becomes thermodynamically more stable and needs more nonsolvent mixture to induce liquid-liquid phase separation.

通过浊点滴定，结合LCP半经验关系，可以得到制膜体系PANCMA/溶剂/非溶剂的三元相图浊点线，考察其相分离过程中的热力学性质，同时考察了溶剂和非溶剂双向扩散传质动力学，从体系热力学和动力学性质出发为PANCMA中空纤维膜的制备以及解释最终的膜结构和性能提供理论依据。

The characterization equations of primary normal stress difference of polymer melt were derived with or without the consideration of the inertia item respectively.

以振动场中流经毛细管的聚合物熔体为研究对象，针对忽略和不忽略惯性力项对熔体弹性行为的影响 2 种情况，分别推导出振动力场中毛细管壁处聚合物熔体第一法向应力差的计算公式。

Polymers. In thin polymer films, large nanoparticles can be used to nucleate dewetting, whereas

上加入少量纳米粒子可以消除"鲨鱼皮"效应－在聚合物的挤出过程中产生的不稳定性。

The suction bond is non-invasive bonding object itself, such as glass, porcelain, plastics, and so on Binder's own strength, strong force, the structure of the polymer chain-like molecules attract the ability to bond two objects attract strong, unlike osmosis bonding needs to have a certain amount of pressure.

吸引式黏结的被黏结物体本身无渗透能力，如玻璃、瓷器、塑料等，全靠黏结剂的自身强度、强黏力、链状结构的聚合分子的吸引能力将两个物体吸引黏结牢固的，它不像渗透黏结需要有一定的压力。

In order to achieve the aim of dentin bonding, the employment of polymer technology have led to the recent development of resin-based obturation materials.

为要达到与牙本质键结的目的，必须藉助高分子工程的专业技术，发展以树酯为基底的替代封填材。

Our research team has developed a novel polymer-based root canal obturation system.

如此既可提供好的密封性，也许还可强化根管治后的齿质。

PE-RT is referred to as the Polyethylene Raised Temperature, it is by the ethylene monomer and 1 - octene copolymer from monomers is specifically designed for the heating system of medium-density ethylene - octene copolymer, which has a narrow molecular weight distribution , octene uniformly distributed in the polymer main chain on the special molecular structure, it retained the original PE performance and processing properties of the health advantages, but also strengthen the durability of a new type of high-temperature resin pipe.

PE-RT是Polyethylene Raised Temperature的简称，它是由乙烯单体和1-辛烯单体共聚而成的，是专门为采暖系统而设计的中密度乙烯－辛烯共聚物，其具有分子量分布狭窄，辛烯均匀分布在聚合物主链上的特殊分子结构，它既保留PE原有的卫生性能及加工性能等优点，又强化了高温耐久性的一种新型管材专用料。

It was showed that the imprinted polymer has good affinity and marked selectivity for the template molecule, and can be used to determine the trace amount of TBZ in biological and environemtal samples in an off-line mode. This methodology may be important for accurate investigation and determination of TBZ levels in the environmental and biological matrices.

研究结果表明，戊唑醇分子印迹聚合物对模板分子具有很强的亲和性和显著的选择性，可离线富集各种环境和生物样品中痕量的戊唑醇，在戊唑醇检测中具有实际的应用价值。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。